Abacwaningi baseNational University of Singapore kanye neYonsei University (Korea) benze indlela yokuthola amakhamera afihliwe endlini besebenzisa i-smartphone evamile efakwe inzwa ye-ToF (Isikhathi sokundiza). Kuyaphawulwa ukuthi okwamanje ikhamera efihliwe ingathengwa ngemali engaphezu kwedola futhi amakhamera anjalo angamamilimitha angu-1-2 ngobukhulu, okwenza kube nzima kakhulu ukuthola ngaphakathi endlini. ENingizimu Korea, izenzakalo ezingaphezu kuka-6800 XNUMX ezihilela ukubekwa kwamakhamera afihliwe emakamelweni amahhotela noma ezindlini zokugezela zarekhodwa phakathi nonyaka.
Indlela ye-LAPD (I-Laser-Assisted Photography Detection) ehlongozwe abacwaningi yenza kube nokwenzeka ukuthola amakhamera afihliwe kusetshenziswa ama-smartphones esimanje afakwe inzwa yokujula (ToF), asetshenziselwa ukulinganisa ibanga lezinto lapho kugxilwe kukhamera nakuzinhlelo zokusebenza zangempela ezingathandwa kwabathelisi esikubona. Izibonelo zama-smartphone asebenzisa izinzwa ezinjalo zifaka i-Samsung S20 neHuawei P30 Pro. Inzwa yakha imephu yokujula ngokuskena indawo ezungezile ngelaser kanye nokubala ibanga ngokusekelwe ekubambezelekeni kokufika kwe-beam ebonisiwe.
Indlela yokuthola amakhamera afihliwe isuselwe ekuhlonzeni okudidayo ekukhanyeni nge-laser kwamalensi namalensi, okudala ukugqama okukhethekile kumephu yokujula ewumphumela. Okudidayo kutholwa kusetshenziswa i-algorithm yokufunda yomshini engahlukanisa ukuxhopha okuqondene nekhamera. Ababhali bocwaningo bahlose ukushicilela izinhlelo zokusebenza esezilungile zenkundla ye-Android ngemuva kokuxazulula izinkinga ezithile ngemikhawulo ye-API.
Isikhathi esiphelele esidingekayo ukuskena igumbi silinganiselwa kumasekhondi angu-30-60. Ocwaningweni olwenziwe ngamavolontiya angama-379, amakhamera afihliwe asebenzisa indlela ye-LAPD atholwe kuma-88.9% wamacala. Uma kuqhathaniswa, ama-46% kuphela abahlanganyeli bokuhlolwa abakwazile ukuthola amakhamera ngeso, kanye nokusebenza kahle kokusebenzisa umtshina wesignali we-K18 okhethekile kwaba ngu-62.3% no-57.7%, kuye ngemodi yokuskena ekhethiwe. Indlela ye-LAPD iphinde yakhombisa izinga eliphansi le-positive positive - u-16.67% uma uqhathaniswa no-26.9%/35.2% we-K18 kanye no-54.9% wokusesha amehlo.
Ukunemba kokutholwa kwe-LAPD kuncike ekhamera efihliwe engena ku-engeli yokubuka engu-20-degree yenzwa nokuba sebangeni elifanele ukusuka kunzwa (uma iseduze kakhulu, ukuxhopha okuvela kukhamera kufiphalisiwe, futhi uma kukude kakhulu. kude, kuyanyamalala). Ukuze kuthuthukiswe ukunemba, kuhlongozwa ukuthi kusetshenziswe izinzwa ezinokulungiswa okuphezulu (kuma-smartphones atholakala kubacwaningi, ukulungiswa kwenzwa ye-ToF ngu-320 Γ 240, okungukuthi usayizi we-anomaly esithombeni ungamaphikseli angu-1-2 kuphela) nokujula. imininingwane (okwamanje kunamaleveli ayi-8 kuphela ephikseli ngalinye ukujula).
Ezinye izindlela zokuhlola ukuba khona kwekhamera efihliwe zihlanganisa abahlaziyi bethrafikhi abangenazintambo, abanquma ubukhona bokusakazwa kwevidiyo ngenethiwekhi engenantambo, kanye nezikena zemisebe ye-electromagnetic.
Source: opennet.ru